AT89LP4052-16XI Atmel, AT89LP4052-16XI Datasheet - Page 74
AT89LP4052-16XI
Manufacturer Part Number
AT89LP4052-16XI
Description
IC 8051 MCU FLASH 4K 20TSSOP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP2052-20PU.pdf
(94 pages)
Specifications of AT89LP4052-16XI
Core Processor
8051
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89LP4052-20XI
AT89LP4052-20XI
AT89LP4052-20XI
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23.5.1
74
AT89LP2052/LP4052
Power-up Sequence
Figure 23-21. ISP/Serial Programming Device Connections
Note:
Execute this sequence to power-up the device before serial programming.
Figure 23-22. Serial Programming Power-up Sequence
1. Apply power between VCC and GND pins.
2. Keep SCK (P1.7) and SS (P1.4) at “L”.
3. Wait 10 µs and bring RST and SS to “H”.
4. Wait at least 2 ms for internal Power-on Reset to time out.
SCK frequency should be less than 5 MHz.
MISO
MOSI
RST
SCK
V
SS
CC
Serial Clock
Serial Out
Se rial In
CS
P1.7/SCK
P1.6/MISO
P1.5/MOSI
P1.4/SS
GND
AT89LP2052/LP4052
HIGH Z
HIGH Z
VCC
RST
2.7 to 5.5V
V IH
3547J–MICRO–10/09
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